configure: Add -Wno-char-subscripts.

Silences many warnings on systems with signed char where
the compiler cannot distinguish between char and int8_t.

1 files changed, 1 insertions, 0 deletions

diff --git a/configure b/configure
index 65925f173d..ab3144e459 100755
--- a/configure
+++ b/configure
@@ -6509,6 +6509,7 @@ check_disable_warning -Wno-format-zero-length
 check_disable_warning -Wno-pointer-sign
 check_disable_warning -Wno-unused-const-variable
 check_disable_warning -Wno-bool-operation
+check_disable_warning -Wno-char-subscripts
 
 check_disable_warning_headers(){
     warning_flag=-W${1#-Wno-}